<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户注册</title>
    <style>
        body{
            background-image: url("jp.jpg");
            background-size: cover;
        }
    </style>
</head>
<body>
        <div align="center">
            <form action="servlet1">
                <input type="submit" formmethod="post">
            </form>
        </div>
</body>
</html>